He is married to Trijntje de Beer.
They got married on May 25, 1912 at Westdongeradeel, Friesland, Nederland, he was 30 years old.Source 4
Child(ren):
grandparents
parents
brothers/sisters
children
Lieuwe van der Kooi | ||||||||||||||||||||||||||||||||||
1912 | ||||||||||||||||||||||||||||||||||
Trijntje de Beer | ||||||||||||||||||||||||||||||||||
Geboorteregister 1881, Westdongeradeel
Overlijdensregister 1963, Westdongeradeel
https://graftombe.nl/names/info/626375/kooi_van_der
Huwelijksregister 1912, Westdongeradeel